CN102481916A - Main brake cylinder and method for operating a main brake cylinder - Google Patents
Main brake cylinder and method for operating a main brake cylinder Download PDFInfo
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- CN102481916A CN102481916A CN2010800367576A CN201080036757A CN102481916A CN 102481916 A CN102481916 A CN 102481916A CN 2010800367576 A CN2010800367576 A CN 2010800367576A CN 201080036757 A CN201080036757 A CN 201080036757A CN 102481916 A CN102481916 A CN 102481916A
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- brake
- cylinder
- piston
- volume
- hydraulic pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/10—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/224—Master control, e.g. master cylinders with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/38—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including valve means of the relay or driver controlled type
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Regulating Braking Force (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a method and a device as part of a complete brake system, that is, a brake system comprising a conventional part and a further part, such as a recuperative part, by means of which volume displacements of brake fluid are possible. The method according to the invention and the device according to the invention are used particularly if the pressure conditions in the hydraulic part of the brake system are adapted by the controllable braking force amplifier to a change in the additional braking effect of the further part of the brake system. A blending of the braking effects of the different brake systems into a constant total braking effect is thus accomplished, even if the proportion of the individual brake systems in the total braking effect change. Such a pressure adaptation by the braking force amplifier is generally accompanied by a reaction on the brake pedal, particularly a displacement thereof. The pressure adaptation can take place by means of the volume displacements between at least one hydraulic braking circuit, a compensating chamber, and either an input chamber in the brake pedal or a hydraulic reservoir, without the driver realizing the same at the brake pedal due to a change in position, and thus perceiving the same as disturbing. The method can be used, for example, for vehicles wherein a delay in braking is brought about by operating an electric machine as a generator for generating electricity, and additionally comprising a conventional hydraulic brake system as a further brake system or backup brake system.
Description
Technical field
The method that the present invention relates to a kind of main brake cylinder and be used to make main brake cylinder work.
Background technology
In the hydraulic brake system of power actuated vehicle, brake pedal is in most of the cases by pilot control, and under the support of brake servo unit, mechanically moves the piston in the main brake cylinder in case of necessity, and hydraulic efficiency equipment links to each other with the outlet of this main brake cylinder.Thus, in braking liquid input hydraulic pressure equipment (for example ESP or ABS), and be incorporated in the wheel braking cylinder.Herein, the volume of input improves brake-pressure and produces brake action on the brake disc through brake strip is pressed in.
At the vehicle that is provided with the electrical motor that is used for the driving machine motor vehicle, as under the travel conditions of actuating device, electrical motor can be used as electrical generator at electrical motor, for example being battery charge.Make electrical motor can produce brake action as generator operation, the kinetic energy of vehicle converts electric energy in this brake action, and this is called as regenerative brake.The energy that in braking, is obtained can be reused for aspect other after a while, for example is used for powered vehicle.
It is usually relevant with the moving velocity of power actuated vehicle and therefore during braking, change to contribute to the generator torque of braking by electrical generator, perhaps by the brake action deficiency of electrical generator generation.For the generator torque that changes is compensated or also it replenished, regeneration brake system can be combined into total brake system with the brake system of hydraulic pressure.
If by chaufeur; For example through the given in advance desirable total braking force square of brake activation pedal; Brake system through hydraulic pressure can apply poor between total braking force square and the generator torque so, for example compares with the desirable total braking force square of chaufeur too when generator torque hour to apply through the pressure that improves in the hydraulic brake system.For example change the control run that in the brake system of routine, in most cases can make brake pedal through the pressure that in hydraulic brake system, causes owing to the effect that changes brake servo unit and change, this makes us angry for chaufeur.
Therefore; Usually brake pedal is connected with the pedal stroke simulator that is used to chaufeur formation pedal sense; And brake pedal breaks away from brake system fully and connects, and the pressure in the hydraulic brake system forms pure in external force, for example produces through the external force from energy storage.But this is implicit following dangerous: when external force loses efficacy, after no longer including mechanical attachment between brake pedal and the car side brake or overcoming the idle travel of brake pedal, just mechanical attachment can be arranged, thereby not have only the possibility of perhaps promptly not handling for chaufeur through chaufeur with significantly making us angry counteraction.
In WO 2004/101308, described and a kind ofly how to have changed pressure condition in the hydraulic brake system so that hydraulic brake system and regeneration brake system co-operation and meanwhile reach the method for high braking traveling comfort.For this reason, in the document, the braking liquid volume is discharged in the low pressure accumulator.Through the manipulation to pump, braking liquid can be transported to the hydraulic brake circuit from low pressure accumulator once more.
Summary of the invention
Core of the present invention is; Provide a kind of have the said characteristic of claim 1 according to the main brake cylinder that is used for hydraulic brake system of the present invention; And through making this main brake cylinder work according to the method for the invention; Make it possible to the pedal stroke that brake pedal causes owing to the variation of the shared part of hydraulic brake system in total brake action changed and resist, therefore avoid the angry counteraction of making us brake pedal.
For this purpose; Main brake cylinder is made up of the first piston-cylinder apparatus and the second piston-cylinder-device; Said first piston-cylinder apparatus comprises first cylinder body and at least two pistons with first cross-sectional area; The said second piston-cylinder-device comprises second cylinder body and at least two pistons with second cross-sectional area, and wherein first cross-sectional area is not equal to second cross-sectional area.Compare with traditional main brake cylinder, first cylinder body and first piston constitute an additional chambers.This chamber is as the compensation chamber.
Advantageously, main brake cylinder rises with the volume absorptive unit by means of the first hydraulic pressure connection structure self compensation chamber and is connected, and is connected from the hydraulic pressure connection structure that second cylinder body and other lead to the brake circuit that is connected respectively.In addition, be provided with at least one second hydraulic pressure connection structure, this second connection structure is connected in the first hydraulic pressure connection structure and other hydraulic pressure connection structures at least one and then be connected with at least one brake circuit.
In favourable design plan, main brake cylinder, can be connected by interrupted mode hydraulic pressure with difference with the volume absorptive unit and with hydraulic brake system just through the compensation chamber through first piston-cylinder apparatus.Interrupt for hydraulic pressure is connected, be provided with the interrupt unit that to control respectively, can interrupt the hydraulic pressure connection structure through the control of these interrupt units.
Be used for making the method for main brake cylinder work to be used in total brake equipment according to of the present invention, wherein total brake equipment comprises hydraulic brake system and the other brake system except that hydraulic brake system.
Main brake cylinder absorbs the braking liquid volume in first piston-cylinder apparatus, perhaps this braking liquid volume is exported from this first piston-cylinder apparatus.Especially, main brake cylinder is exported the braking liquid volume from the second piston-cylinder-device.The mode of operation that volume absorbs or volume is exported according to other brake system carries out.
Stipulate according to the method for the invention; Hydraulic brake system have with the actuating force introduced by chaufeur increase an auxiliary force, the controollable brake servo unit; Wherein total brake equipment has operating element, and this operating element comprises the input bar that is used to bear chaufeur power.In addition; Brake servo unit is worked as follows; Promptly under the situation that the lock torque that is caused by other brake system increases, the effect of brake servo unit is reduced, and/or under the situation that the lock torque that is caused by other brake system reduces; The effect of brake servo unit is increased, thereby make the total braking force square substantial constant that applies through total brake system.Stipulate in addition; Main brake cylinder is through in from other hydraulic pressure connection structures at least one or from the volume absorptive unit, absorb volume; And/or with volume output at least one in other hydraulic pressure connection structures or the volume absorptive unit in; Change in location to operating element and/or input bar resists, and wherein the change in location of operating element and/or input bar is to be caused by the variation of the auxiliary force that applies through brake servo unit and the variation of consequent brake system volume absorption.Especially, the change in location of operating element and/or input bar fully or at least in part is able to compensation.Thus, chaufeur can not perceived the skew of operating element or only perceive the very little skew of operating element, and only perceives the subtle change of auxiliary force or can not perceive the variation of auxiliary force fully.
Hydraulic brake system is the part of total brake equipment, and total brake equipment has other brake system except hydraulic brake system.In first embodiment of said method; Mode of operation according to other brake system; Through setting up at least one connection structure in the said first and second hydraulic pressure connection structures, be incorporated into volume absorptive unit or at least one connection structure (particularly automatically) from other hydraulic pressure connection structures absorb in first piston-cylinder apparatus from first piston-cylinder apparatus (particularly automatically) the braking liquid volume.Therefore, volume absorptive unit, the compensation chamber in first piston-cylinder unit and the braking liquid volume between the hydraulic brake circuit can exchange.
In the method according to the invention, the mode of operation of other brake system is represented the variation of the contribution of total brake action through said other brake system.
In first embodiment of said method; For the situation of first cross-sectional area greater than second cross-sectional area; When the contribution of other brake system increases; Volume at least one connection structure from other hydraulic pressure connection structures is absorbed in the compensation chamber of main brake cylinder, and when the contribution of other brake system reduces, volume is outputed to the volume absorptive unit from the compensation chamber.
If first cross-sectional area is less than second cross-sectional area in contrast, when the contribution of other brake system increases, volume is outputed to the brake circuit or the second piston-cylinder-device that is connected from the compensation chamber so.
When if the contribution of other in contrast brake system reduces, so volume is outputed to the volume absorptive unit from the brake circuit that the second piston-cylinder-device perhaps is connected.
In a kind of alternative embodiment; Through one in the hydraulic pressure connection structure that is set up to volume absorptive unit or hydraulic brake system; Mode of operation according to other brake system; Particularly automatically, the braking liquid volume is incorporated into first piston-cylinder apparatus from the volume absorptive unit or from hydraulic brake system.
In the alternate embodiments of said method; Stipulate greater than the situation of second cross-sectional area for first cross-sectional area: when the contribution of other brake system reduces; Volume is absorbed the compensation chamber from the volume absorptive unit; And when the contribution of other brake system increases, volume is absorbed from hydraulic brake system in the compensation chamber.
If first cross-sectional area is less than second cross-sectional area in contrast; When the contribution of other brake system increases, volume is outputed to the brake circuit that is connected or outputs in the second piston-cylinder-device from the compensation chamber so now, and/or when the contribution of other brake system reduces, volume absorbed from the volume absorptive unit and compensate the chamber.
For described embodiment, control absorption of braking liquid volume and/or the output of carrying out through the compensation chamber through controlling first and/or second interrupt unit.Therefore, can select to compensate chamber through the control interrupt unit is to be connected with the second piston-cylinder-device or with volume absorptive unit hydraulic pressure with hydraulic brake circuit, is to absorb therefrom or the past in case of necessity volume of there exporting.
In the favourable design plan of said method, the volume absorptive unit is a piston-cylinder-unit, and this piston-cylinder-unit is integrated in the operating element of total brake equipment, is called as the input chamber below.
In the alternate embodiments of said method; The volume absorptive unit is the hydraulic energy-accumulating unit; This hydraulic energy-accumulating unit comprises at least one piston, at least one cylinder body and at least one elastic element, particularly spring, and the volume that is under the increased pressure can be stored in this hydraulic energy-accumulating unit.
Regulation can be filled ability to the hydraulic energy-accumulating unit in advance through handling the controollable brake servo unit in the method according to the invention.In this way, improve the stress level in the hydraulic energy-accumulating unit, and then improve the stress level that makes the compensation chamber can absorb the braking liquid volume automatically.
Because comprise according to the method for the invention; Through the controollable interrupt unit is controlled; Carry and particularly automatically carry out volume; So the cross-sectional area of the first and second piston-cylinder-devices and input chamber and with respect in institute's bonded assembly brake circuit or the size of the pressure that for the pressure that compensation exists in the chamber, exists in the hydraulic energy-accumulating unit must make and can in by the boundary of structures shape, particularly automatically the braking liquid volume be absorbed the compensation chamber and/or, perhaps especially volume is exported from the second piston-cylinder-device from the output of compensation chamber.
Location variation through make caused actuation unit of main brake cylinder work and/or input bar according to the present invention is relevant with the cross-sectional area of first piston-cylinder unit, second piston-cylinder-unit and volume absorptive unit.In addition, through controlling corresponding interrupt unit,, can be in the compensation rate of the change in location of operating element and/or input bar be controlled by the boundary of structures shape for example according to the time length of opening of interrupt unit.
Description of drawings
Fig. 1 shows and has the main brake cylinder that compensates chamber, and this compensation chamber is connected with input chamber in being integrated into pedal, and the cross-sectional area of said compensation chamber is greater than the cross-sectional area of the second piston-cylinder-device;
Fig. 2 shows and when adding generator torque, is used to make the method that has the main brake cylinder work that compensates chamber;
Fig. 3 shows and when removing generator torque, is used to make the method that has the main brake cylinder work that compensates chamber;
Fig. 4 shows and has the main brake cylinder that compensates chamber, and this compensation chamber is connected with hydraulic accumulator, and the cross-sectional area of this compensation chamber is greater than the cross-sectional area of the second piston-cylinder-device;
Fig. 5 shows the alternate embodiments that has the main brake cylinder that compensates chamber, and the cross-sectional area of this compensation chamber is less than the cross-sectional area of the second piston-cylinder-device.
The specific embodiment
A kind of preferred embodiment in, from total brake equipment, this total brake equipment is made up of traditional hydraulic part (comprising for example ESP, ABS parts) and an other part.For example, suppose other part to the contribution of the brake action of total brake equipment be since regeneration brake system cause and produce by generator torque.The conventional part of brake system comprises can be incorporated into operating control 114 chaufeur manpower 102 in the brake system through this operating control.This chaufeur manpower can with for example from the auxiliary force 101 of controollable brake servo unit on connection element 115, for example linked together on reaction plate.The controollable brake servo unit not only can be the electromechanical brake servo unit but also can be the controollable vacuum brake assistor that has a plurality of electrically-energized valves, yet also can consider other embodiment.In traditional hydraulic brake system, connection element 115 will be delivered on the input piston of main brake cylinder through piston rod by what chaufeur manpower 102 and auxiliary force 101 constituted with joint efforts where necessary.Through moving and moving of second piston where necessary of consequent input piston; The braking liquid volume is moved in institute's bonded assembly brake circuit; And make with brake circuit bonded assembly wheel braking cylinder in form pressure, produce brake action through car side brake at last.If possible, can the valve gear according to the ESP/ABS return-flow system be connected between car side brake and the main brake cylinder to regulate brake-pressure.
Core of the present invention is now, and the brake action of the regeneration brake system that will produce through generator torque is unified into total brake action with the brake action of the hydraulic brake system that produces through chaufeur manpower 102 and auxiliary force 101.If regeneration system changes the contribution of total brake action, can carry out the pressure adjustment through handling the controollable brake servo unit so, thus the brake action of modulated pressure brake system.If the brake action of regeneration system reduces, the auxiliary force 101 of controollable brake servo unit is increased, if the brake action of regeneration system increases, the auxiliary force 101 of brake servo unit is reduced.Because the pressure condition through being changed in hydraulic brake system by the braking force device can make the braking liquid volume be back in the main brake cylinder; Perhaps from main brake cylinder, shift out; Therefore the position of operating control 114 also changes, and can be described as the counteraction of hydraulic brake system.On the contrary, total brake action of regeneration system and hydraulic efficiency pressure system remains unchanged.The pedal position of being accustomed in order to recover for chaufeur, the variation of perhaps resisting pedal position at least in part uses the main brake cylinder conduct of being made up of two piston-cylinder-devices according to device of the present invention.
First piston-cylinder apparatus comprises cylinder body 105 and two piston 106a and 106b, wherein piston 106b and connection element 115 mechanical connections, and can be applied in chaufeur manpower 102 and auxiliary force 101 through this linkage element.Cylinder body 105 has the first cross-sectional area A1 and, second piston-cylinder-device other with structurally is connected.The second piston-cylinder-device comprises two piston 108a and 108b, and wherein piston 108b is connected with piston 106a rigid mechanical.Piston 108a, 108b are surrounded by cylinder body 107.The cross-sectional area A2 of cylinder body 107 is littler than cylinder body 105.
The second piston 108a, 108b and cylinder body 107 are as being used for making two hydraulic brake circuit work in being arranged on the conventional hydraulic brake system, known mainly as the series connection main brake cylinder.
In device according to the present invention, on through cylinder body 107 and two chambers forming through piston 108a and 108b respectively, also be connected with hydraulic tubing 111a and 111b.These hydraulic tubings lead to hydraulic brake circuit, and in case of necessity the hydraulic efficiency equipment through the ESP/ABS return-flow system in the middle of being connected lead to brake circuit bonded assembly car side brake at least one.
Cylinder body 105 and piston 106a and chamber of the same formation of 106b, this chamber is called as compensation chamber 120 below.On compensation chamber 120, being connected with fork is the hydraulic tubing of two other hydraulic tubings 109 and 110.Through pipeline 110, compensation chamber 120 and hydraulic tubing 111b, and then the brake circuit that is connected with at least one, and be connected with the chamber hydraulic pressure near cylinder body 105 of the second piston-cylinder-device.Hydraulic tubing 110 can interrupt through controollable valve 113.
Another hydraulic tubing 109 is connected with the 3rd piston-cylinder-device 104 hydraulic pressure, and this hydraulic tubing 109 can interrupt through the valve 112 in the back, turnoff equally.Said the 3rd piston-cylinder-device 104 comprises cylinder body 116 and piston 117.Piston 117 can through the input bar 118 be applied in chaufeur manpower 102 and with power be delivered to the input bar 118 on.The chamber that is made up of cylinder body 116 and piston 117 is called as input chamber 119 below.This input chamber 119 has cross-sectional area A3.The 3rd piston-cylinder-device structurally is integrated in the operating control 114.Controollable valve 112,113 and the following controollable valve that also will limit 405 are controlled by control setup, but this control setup is not shown.Advantageously, this control setup is the control setup of brake servo unit, and it additionally bears the function that valve is controlled.
According to two kinds of representative type working conditions of total brake equipment to describing according to the method for the invention.
In first kind of working condition, chaufeur is only braked through hydraulic brake system, and the generator torque with regeneration brake system inserts or increase then.This working condition is shown in Fig. 2.Because in Fig. 1 by the agency of all Reference numerals, mark these Reference numerals no longer again at Fig. 2 and Fig. 3.
In Fig. 2 a, main brake cylinder 103 is in the state of not handled, and on connection element 115, has not both had chaufeur manpower 102 also not have auxiliary force 101.
The situation that chaufeur is only braked through hydraulic brake system has been shown in Fig. 2 b.Connection element is imposed chaufeur manpower 102 and auxiliary force 101.Connection element 115 is delivered to power on the piston 106b with the mechanical connection of the piston 106b of first piston-cylinder apparatus.Thus, piston 106b is moved in cylinder body 105 towards the direction of second piston-cylinder--device, and braking liquid volume and piston 106a are moved through this piston 106b.
At this, adjustable valve 112 and 113 boths close.Through the mechanical connection of piston 106a and piston 108b, piston 108b and braking liquid volume in cylinder body 107 are moved.Mobile and the braking liquid that produces piston 108a thus further moves.Moving through in hydraulic tubing 111a and 111b arrival and the main brake cylinder 103 bonded assembly brake circuits and making there of the braking liquid of being mentioned forms pressure and then produces brake action in the wheel braking cylinder.
In Fig. 2 c, insert through driving the brake action that electrical generator produces.In order to guarantee and the corresponding constant deceleration in operating element 114 positions, reduce the amount of auxiliary force 101 through the controollable brake servo unit.Auxiliary force 101 this reduces to make braking liquid to be back in the main brake cylinder and piston 106a, 106b and 108a, 108b and its steering moved on the contrary, and therefore operating element 114 moved.
According to the present invention,, can resist the counteraction that makes chaufeur angry by the mobile generation of operating element through valve 113 is regulated.
, in Fig. 2 d, valve 113 is opened, the braking liquid volume is back to the compensation chamber 120 via hydraulic tubing 111b and 110 from brake circuit for this reason.It is by in brake circuit and the second piston-cylinder-device and the different stress level in the compensation chamber 120 and producing that braking liquid this flows.Valve 112 keeps shut at this.
For the representative type main brake cylinder, the diameter of cross-sectional plane A2 is 22.56mm, and this produces the pressure of about 5bar when input force is assumed to be 200N.
If for example give the for example auxiliary force 101 of the chaufeur manpower 102 additional 500N of 100N through brake servo unit; Has diameter when being the cross-sectional plane A2 of 22.54mm at the second piston-cylinder-device so, the pressure of making a concerted effort in this second piston-cylinder-device, to produce 15bar of 600N.The size of supposing the cross-sectional plane A1 of compensation chamber 120 is the half the of the second piston-cylinder-device cross-sectional plane A1, in the compensation chamber, has the pressure of 7.5bar so.Therefore, if valve 113 is opened, the braking liquid volume can flow into the compensation chamber from first brake circuit owing to difference of pressure so.
When volume flow into the compensation chamber from brake circuit, in Fig. 2 c, piston 108b was moved to the left one segment distance-ds, therefore is moved to the left a segment distance equally with the rigidly connected piston 106a of piston 108b, and piston 106b is following piston 106a.But the volume that absorbs in the compensation chamber causes the spacing of piston 106a and 106b to change a distance, d s/2.Therefore, piston 106b is moved to the left in Fig. 2 c-ds+ds/2=-ds/2.
This relative motion is tackled piston 108b, 106a and 106b now and is reduced mobile the compensating of refluxing and being produced from brake circuit because of auxiliary force by braking liquid.If now the braking liquid volume is set, make displacement ds/2 just in time work as with piston 108b, 106a and 106b mobile phase before, operating control 114 generally speaking no longer includes mobile so.
The displacement that the quilt like this of operating control compensates can be set according to the ratio of each cross-sectional area and through control or adjusting to valve 113.
In second kind of working condition, chaufeur is braked through hydraulic brake system and regeneration brake system are combined, and wherein now the generator torque of regeneration brake system is cut off or is reduced.Second kind of working condition has been shown in Fig. 3.
Fig. 3 a is corresponding with the state among Fig. 2 d, and chaufeur combines through the brake system with two kinds of participations and brakes.
For now to through cancellation or reduce the contribution that generator torque produces and compensate to brake action; Shown in Fig. 3 b; The auxiliary force 101 of brake servo unit is increased, and, the braking liquid volume is moved in institute's bonded assembly brake circuit through piston 106a, 106b and 108a, 108b are moved; In institute's bonded assembly brake circuit, the brake action increase that the pressure that in institute's bonded assembly wheel braking cylinder, produces raises and makes hydraulic brake system.Operating element 114 likewise squints along steering thus.
Move in order to compensate pedal, now valve 112 is opened, the braking liquid volume arrives input chamber 119 from compensation chamber 120 through hydraulic tubing 109.Though compensation chamber 120 near the piston 106b of operating element 114 to left movement because input chamber absorber is long-pending, the steering of input bar 118 and then pedal and enhancing braking force is moved on the contrary.
At this, different stress levels also plays conclusive effect.Pressure in the second piston-cylinder-device and brake system is p
2, and be F by chaufeur manpower 102
ChaufeurCross-sectional area A with the second piston-cylinder-device 107,108a, 108b
2Draw,
p
2=F
Chaufeur(1+g)/A
2(1)
Wherein, g is the coefficient of amplification of brake servo unit.
As already mentioned in first kind of mode of operation, the pressure p in the compensation chamber 120
1Because the big cross-sectional area A of twice
1But pressure p in the second piston-cylinder-device 107,108a, 108b
2Half the.
p
2＝2p
1 (2)
Pressure p in the input chamber
3Draw by formula.
p
3=F
Chaufeur/ A
3=F
Chaufeur/ A
2(3)
Wherein, F
ChaufeurCorresponding to chaufeur manpower 102, A
3It is the cross-sectional area of input chamber.Cross-sectional area A at the input chamber
3Equal the cross-sectional area A of the second piston-cylinder-device
2Assumed condition under, second equal sign symbol is suitable for.If formula 1,2 and 3 is combined, then for the pressure p in the input chamber
3With the pressure p in the second piston-cylinder-device
2Between correlationship draw:
p
3＝p
2/(1+g)＝p
12/(1+g)
In order to make the braking liquid volume automatically be transported to the input chamber 119 pressure p from compensation chamber 120
1Must be greater than pressure p
3This o'clock draws in coefficient of amplification g＞1.This condition is relevant with the cross-sectional area that relates to a great extent and can set through cross-sectional area.
For this type of bit shift compensation through input bar 118, the volume of exchange can be through the cross-sectional area that relates separately to and through the control of valve 112 or adjusting are givenly in advance set in other words between compensation chamber 120 and the input chamber 119.
In a kind of alternate embodiments of the present invention, compensation chamber 120 is not to be connected but to be connected with hydraulic accumulator 401 with input chamber 119.
If identical among the element that uses among Fig. 4 and Fig. 1, then mark these elements no longer again.
Hydraulic accumulator is by piston 403, cylinder body 402 and elastic element, and particularly spring 404 is formed.That can imagine equally is hydraulic accumulating device and any other volume absorptive unit with accumulation of energy function of the folding energy storage form of diaphragm type energy storage and/or metal.
Hydraulic pressure between hydraulic accumulator 401 and the compensation chamber 120 connects through hydraulic tubing to be realized, this hydraulic tubing can interrupt through valve 405, is similar to pipeline 109 and valve 112 among Fig. 1.In addition, hydraulic accumulator 401 is again to be connected through the brake circuit hydraulic pressure that hydraulic tubing is connected with at least one, and this hydraulic tubing can interrupt through valve, is similar to pipeline 110 and valve 113 among Fig. 1.
Energy storage can fill ability in advance through the brake activation servo-unit.For this reason, be connected from main brake cylinder to hydraulic pressure and can interrupt through the valve (not shown) with brake circuit bonded assembly car side brake.This valve can for example be the suction valve of ESP or ABS hydraulic efficiency equipment.If connecting, this hydraulic pressure is interrupted, then can the brake activation servo-unit and the braking liquid volume is incorporated in the hydraulic accumulator 401 through main brake cylinder, and can not produce brake action.Usually under the situation that chaufeur is not braked, fill ability in advance.
Hydraulic accumulator equally can be through being integrated into other volume supply units in the hydraulic brake system in case of necessity, and for example the Hydraulic Pump of ESP equipment fills ability in advance.
In addition, as long as the pressure condition that exists in energy storage and the brake system allows, hydraulic accumulator fills ability in advance through discharging the braking liquid volume from brake circuit.This process or can carry out with compensation because the pedal that reduces to cause of brake servo unit shared part in total brake action when generator torque increases moves, or can when end of braking, carry out under the original situation that just should reduce of pressure in brake system.How to energy storage fill in advance can two kinds of replacement schemes in, can adjust and consider the manipulation of valve and the location of valve in hydraulic brake system in case of necessity.
Through volume is incorporated in the hydraulic accumulator, elastic element 404 is compressed and stored energy thus.Through shutoff valve 405, the braking liquid volume is stored in the hydraulic accumulator 401.After filling ability in advance, can brake servo unit be resetted.Therefore, the volume of storage is in than under the higher stress level of the remainder of hydraulic brake system.
In this embodiment according to device of the present invention; When generator torque for example descends and in order to produce constant brake action and through brake servo unit auxiliary force 101 to be increased, the braking liquid volume is discharged from energy storage 401 enter into compensation chamber 120 or be discharged to the brake circuit or the second piston-cylinder-device that is connected via pipeline 111b.For this reason, maneuvering valve 405 and 406 correspondingly.Through fill in advance can, the braking liquid volume in the hydraulic accumulator is as mentioned being under the increased pressure level, and therefore can under the situation of not using pump, be discharged from through the simple manipulation to valve in an advantageous manner.
In addition; Be similar to the embodiment among Fig. 1; Through volume is discharged to because its cross-sectional area exists the compensation chamber 120 of less pressure from least one brake circuit that is connected or from the second piston-cylinder-device, resists by reducing caused pedal and move in the shared part share of brake servo unit under the situation of generator torque increase in total brake action.
A kind of alternate embodiments 501 according to main brake cylinder of the present invention has been shown in Fig. 5.Kept Reference numeral.
The embodiment of this main brake cylinder and 103 differences of the embodiment among Fig. 1 are that the cross-sectional area of first piston-cylinder apparatus is littler than the cross-sectional area of the second piston-cylinder-device.
In this embodiment, also can use according to the method for the invention.Main brake cylinder 501 not only can be through tape input chamber 119 volume absorptive unit 104 and also can be used to brake action is being carried out adjusted bit shift compensation through hydraulic accumulator 401 through brake servo unit.
Compare with the embodiment of having described of said method, must adjustment after the work that increases or reduce brake servo unit compensates in order to the brake action to the variation of other work system absorb or volume to main brake cylinder is exported from the volume of main brake cylinder.
If main brake cylinder is connected with input chamber 119; Then now when the contribution of other brake system increases; Volume is outputed at least one the hydraulic pressure connection structure other hydraulic pressure connection structures 111a, the 111b from first piston-cylinder apparatus 105,106a, 106b; Just output among the institute's bonded assembly brake circuit or the second piston-cylinder-device 107,108a, the 108b; And/or when the contribution of other brake system reduces, volume is outputed to the input chamber 119 from the second piston-cylinder-device 107,108a, 108b or from the brake circuit that is connected.
For the latter event that other brake system reduces the contribution of brake action, the cross-sectional area A3 of input chamber must be less than the cross-sectional area A2 of the second piston-cylinder-device 107,108a, 108b.
If main brake cylinder is connected with hydraulic accumulator 401; So now when the contribution of other brake system increases; Volume is outputed at least one the hydraulic pressure connection structure other hydraulic pressure connection structures 111a, the 111b from first piston-cylinder apparatus 105,106a, 106b; And/or when the contribution of other brake system reduces, volume is absorbed first piston-cylinder apparatus 105,106a, the 106b from hydraulic accumulator.
For all embodiments important a bit be that hydraulic brake system is worked under the situation of volume compensation not having in a conventional manner.For this reason, hydraulic pressure connection structure 109 and 110 can be interrupted, thereby between compensation chamber 120 and input chamber 119, hydraulic accumulating device 401 or hydraulic brake system, can not carry out volume compensation.Only connect with brake pedal and no longer compare with the brake equipment that hydraulic brake system connects with pedal simulator; Therefore the present invention has following advantage: also have the draw bail of brake pedal and hydraulic brake system, and thus for for example make the no longer available disabled status of auxiliary force that alternative scheme is provided because of breaking down.Therefore, in case of emergency can only brake through the chaufeur manpower.In addition, synthetic in case of necessity pedal sense has been avoided in connecting of go pedal and the hydraulic brake system that passes through to be kept.
Generally speaking; The invention describes a kind of method and a kind of device; This method and apparatus is as the part of total brake equipment; Just, can realize moving of braking liquid volume by means of this method and apparatus by the part of traditional part and brake equipment other, that for example regenerating section constitutes.Especially when the variation of the additional brake effect of the other part of pressure condition in the hydraulic part that makes brake equipment through the controollable brake servo unit and brake equipment adapts, use according to the method for the invention and according to device of the present invention.Therefore, even Zong when the shared part of each brake system in brake action changes, also can the brake action of different braking system be mixed into constant brake action.This pressure adjustment through brake servo unit in most cases is accompanied by the counteraction to brake pedal, particularly is accompanied by moving of this brake pedal.Through input chamber at least one brake circuit, compensation chamber and brake pedal or the volume-exchange between the hydraulic accumulator; Can carry out the pressure adjustment, chaufeur can not recognized this pressure adjustment and think that this pressure adjustment is interfering on brake pedal because of the change in location of pedal.Said method for example can be used for such vehicle; In these vehicles, cause braking deceleration as the generator operation that is used to produce electric current, and these vehicles also has a traditional hydraulic brake system as other brake system or emergency brake system through motor.
Claims (16)
1. main brake cylinder (103) that is used in the hydraulic brake system; It is characterized in that; Said main brake cylinder (103) has first piston-cylinder apparatus (105,106a, 106b) and the second piston-cylinder-device (107,108a, 108b); Said first piston-cylinder apparatus comprises first cylinder body (105) and at least two pistons (106a, 106b) with first cross-sectional area; The said second piston-cylinder-device comprises second cylinder body (107) and at least two pistons (108a, 108b) with second cross-sectional area, and wherein said first cross-sectional area is different with second cross-sectional area.
2. main brake cylinder as claimed in claim 1 (103); It is characterized in that; Said main brake cylinder begins to have the first hydraulic pressure connection structure (109) to volume absorptive unit (104,401) from said first cylinder body (105); And said main brake cylinder begins to have other hydraulic pressure connection structures (111a, 111b) of leading to the brake circuit that is connected respectively from said second cylinder body (107); And wherein, the second hydraulic pressure connection structure (110) is connected in the said first hydraulic pressure connection structure (109) and said other hydraulic pressure connection structures (111a, 111b) at least one.
3. main brake cylinder as claimed in claim 2; It is characterized in that; First piston-the cylinder apparatus of said main brake cylinder (103) (105,106a, 106b) can be interrupted respectively to the hydraulic pressure connection structure of said volume absorptive unit (104,401) and at least one the hydraulic pressure connection structure in said other hydraulic pressure connection structures (111a, 111b), wherein is provided with to be used for second interrupt unit that can control (113,406) that interrupts first interrupt unit that can control (112,405) of the said first hydraulic pressure connection structure (109) and be used for interrupting the said second hydraulic pressure connection structure (110).
4. be used to make the method for main brake cylinder according to claim 3 (103) work; Wherein hydraulic brake system is the part of total brake equipment; Said total brake equipment also comprises other brake system except hydraulic brake system; It is characterized in that; Said main brake cylinder (103) absorbs the braking liquid volume in said first piston-cylinder apparatus (105,106a, 106b) according to the mode of operation of other brake system or from this first piston-cylinder apparatus, exports, and perhaps the braking liquid volume is exported from the said second piston-cylinder-device (107,108a, 108b).
5. method as claimed in claim 4; Wherein said hydraulic brake system has the actuating force of being introduced by chaufeur (a 102) bearing capacity of increase brake servo unit (101), that can control; Wherein total brake equipment has operating element (114), and wherein said operating element (114) comprises the input bar (118) that is used to bear chaufeur manpower (102), it is characterized in that; Said brake servo unit is worked as follows
-under the situation that the lock torque that is caused by said other brake system increases, reduce the effect of brake servo unit, and/or
-under the situation that the lock torque that is caused by said other brake system reduces, increase the effect of brake servo unit,
Thereby make the total braking force square substantial constant that applies through total brake system;
And said main brake cylinder (103) is worked as follows; Promptly; Through absorbing volume by at least one from said other hydraulic pressure connection structures (111a, 111b) of said main brake cylinder (103) or from volume absorptive unit (104,401); And/or volume outputed at least one or the volume absorptive unit (104,401) in said other hydraulic pressure connection structures (111a, 111b); Resist the change in location that the variation by the auxiliary force that applies through brake servo unit (101) of said operating element (114) and/or said input bar (118) causes, especially, said change in location fully or at least in part is compensated.
6. method as claimed in claim 5; It is characterized in that; Through in the said hydraulic pressure connection structure (109,110) that is established to said volume absorptive unit (104) or at least one the hydraulic pressure connection structure in said other hydraulic pressure connection structures (111a, 111b) at least one; Mode of operation according to said other brake system; Particularly automatically; The braking liquid volume is incorporated into the said volume absorptive unit (104) from said first piston-cylinder apparatus (105,106a, 106b), perhaps particularly automatically, braking liquid volume at least one hydraulic pressure connection structure from said other hydraulic pressure connection structures (111a, 111b) is absorbed in said first piston-cylinder apparatus (105,106a, 106b) or the said volume absorptive unit (104).
7. method as claimed in claim 6; It is characterized in that; Said first cross-sectional area is greater than said second cross-sectional area (103); And the mode of operation of said other brake system representes the variation of the contribution of total brake action through said other brake system, wherein regulation especially
-when the contribution of said other brake system increases, volume at least one hydraulic pressure connection structure from said other hydraulic pressure connection structures (111a, 111b) is absorbed in said first piston-cylinder apparatus (105,106a, 106b), and/or
-when the contribution of said other brake system reduces, volume is outputed to the said volume absorptive unit (104) from said first piston-cylinder apparatus (105,106a, 106b).
8. method as claimed in claim 6; It is characterized in that said first cross-sectional area is less than said second cross-sectional area (501), the mode of operation of said other brake system is represented the variation of the contribution of total brake action through said other brake system; Wherein stipulate especially
-when the contribution of said other brake system increases, volume is outputed at least one the hydraulic pressure connection structure said other hydraulic pressure connection structures (111a, 111b) from said first piston-cylinder apparatus (105,106a, 106b), and/or
-when the contribution of said other brake system reduces, volume is outputed to the said volume absorptive unit (104) from the said second piston-cylinder-device (107,108a, 108b).
9. method as claimed in claim 5; It is characterized in that; Through one in the said hydraulic pressure connection structure (109,110) that is established to said volume absorptive unit (401) or at least one the hydraulic pressure connection structure in said other hydraulic pressure connection structures (111a, 111b); Mode of operation according to said other brake system; Particularly automatically, the braking liquid volume is incorporated in said first piston-cylinder apparatus (105,106a, 106b) from said volume absorptive unit (401) or at least one hydraulic pressure connection structure from said other hydraulic pressure connection structures (111a, 111b).
10. method as claimed in claim 9; It is characterized in that said first cross-sectional area is greater than said second cross-sectional area (103), the mode of operation of said other brake system is represented the variation of the contribution of total brake action through said other brake system; Wherein stipulate especially
-when the contribution of said other brake system reduces, volume is absorbed said first piston-cylinder apparatus (105,106a, 106b) from said volume absorptive unit (401), and/or
-when the contribution of said other brake system increases, volume at least one hydraulic pressure connection structure from said other hydraulic pressure connection structures (111a, 111b) is absorbed in said first piston-cylinder apparatus (105,106a, 106b).
11. method as claimed in claim 9; It is characterized in that said first cross-sectional area is less than said second cross-sectional area (501), the mode of operation of said other brake system is represented the variation of the contribution of total brake action through said other brake system; Wherein stipulate especially
-when the contribution of said other brake system increases, volume is outputed at least one the hydraulic pressure connection structure said other hydraulic pressure connection structures (111a, 111b) from said first piston-cylinder apparatus (105,106a, 106b), and/or
-when the contribution of said other brake system reduces, volume is absorbed said first piston-cylinder apparatus (105,106a, 106b) from said volume absorptive unit (401).
12. like claim 7 or 9 described methods; It is characterized in that; Control absorption and/or the output of said first piston-cylinder apparatus (105,106a, 106b) through controlling first and/or second interrupt unit (112,405,113,406) to the braking liquid volume; Especially; Through controlling corresponding interrupt unit (112,405,113,406), absorb braking liquid and/or braking liquid is outputed to said first piston-cylinder apparatus (105,106a, 106b) from said first piston-cylinder apparatus (105,106a, 106b) via the said second hydraulic pressure connection structure (110) and/or via the said first hydraulic pressure connection structure (109).
13. method as claimed in claim 4; It is characterized in that; With said main brake cylinder hydraulic pressure bonded assembly volume absorptive unit (104,401) be piston-cylinder-unit (104); Said piston-cylinder-unit is integrated in the said operating element (114), and perhaps said volume absorptive unit (104,401) is hydraulic energy-accumulating unit (401), and this hydraulic energy-accumulating unit comprises particularly spring of at least one piston (403), at least one cylinder body (402) and at least one elastic element (404).
14. method as claimed in claim 13; It is characterized in that; Said hydraulic energy-accumulating unit (401) can fill through brake activation servo-unit controllably in advance can; And so improve the stress level in the said hydraulic accumulator (401); So that under the situation of setting up said first hydraulic pressure connection structure (109) and/or the said second hydraulic pressure connection structure (110), automatically the braking liquid volume is outputed to the first piston-cylinder apparatus (105,106a, 106b) of said main brake cylinder (103) or outputs at least one the hydraulic pressure connection structure said other hydraulic pressure connection structures (111a, 111b) from hydraulic accumulator (401).
15. method as claimed in claim 14; It is characterized in that; Through following parameter is confirmed; Make it possible in by the boundary of structures shape, to carry out from said first piston-cylinder apparatus (105,106a, 106b) and/or the braking liquid volume in said first piston-cylinder apparatus (105,106a, 106b) absorbs and/or output, particularly absorb automatically and/or output, perhaps especially can be with volume from the said second piston-cylinder-device (107,108a, 108b) output:
-said first piston-cylinder apparatus (105; 106a, 106b) first cross-sectional area and the said second piston-cylinder-device (107; 108a, 108b) second cross-sectional area and the cross-sectional area of the piston-cylinder-unit (104) in said operating element (114), and/or
The predetermincd tension and the basic specification of-said at least one elastic element (404), and/or
-said hydraulic accumulating device (401) is with respect at least one hydraulic pressure connection structure or said first piston-cylinder apparatus (105 in said other hydraulic pressure connection structures (111a, 111b); 106a, 106b) filling of the middle pressure that exists can state.
16. method as claimed in claim 12 is characterized in that, through making the location variation and the said first piston-cylinder unit (105 of caused said actuation unit of said main brake cylinder work (114) and/or said input bar (118); 106a, 106b), said second piston-cylinder-unit (107; 108a, 108b) and the cross-sectional area of said volume absorptive unit (104,401) relevant, and through control corresponding interrupt unit (112,405,113,406) can in by the boundary of structures shape, control said location variation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009028811.2 | 2009-08-21 | ||
| DE102009028811A DE102009028811B3 (en) | 2009-08-21 | 2009-08-21 | Master cylinder and method of operating a master cylinder |
| PCT/EP2010/061178 WO2011020691A1 (en) | 2009-08-21 | 2010-08-02 | Main brake cylinder and method for operating a main brake cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102481916A true CN102481916A (en) | 2012-05-30 |
| CN102481916B CN102481916B (en) | 2016-01-06 |
Family
ID=43064838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080036757.6A Expired - Fee Related CN102481916B (en) | 2009-08-21 | 2010-08-02 | Main brake cylinder and for making the method for main brake cylinder work |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120205967A1 (en) |
| EP (1) | EP2467286B1 (en) |
| JP (1) | JP5519010B2 (en) |
| CN (1) | CN102481916B (en) |
| DE (1) | DE102009028811B3 (en) |
| WO (1) | WO2011020691A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106627540A (en) * | 2015-11-04 | 2017-05-10 | 浙江万向精工有限公司 | Secondary power assistant rate motor-free hydraulic braking system |
| CN110662680A (en) * | 2017-05-29 | 2020-01-07 | 福乐尼·乐姆宝公开有限公司 | Integrated brake pump for brake-by-wire system and brake-by-wire system thereof |
| CN110869256A (en) * | 2017-07-12 | 2020-03-06 | 罗伯特·博世有限公司 | Master brake cylinder for a hydraulic vehicle brake system |
| CN114655087A (en) * | 2022-03-14 | 2022-06-24 | 无锡锡玮科技有限公司 | Electric adjusting type automobile back row backrest |
| CN114954407A (en) * | 2022-06-09 | 2022-08-30 | 上海深拓液压技术有限公司 | Hydraulic speed reduction transmission mechanism, brake system actuating mechanism and brake system |
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| DE102010038555B4 (en) * | 2010-07-28 | 2017-01-26 | Robert Bosch Gmbh | A braking system for a vehicle and method for operating a braking system for a vehicle |
| DE102012211278A1 (en) | 2012-06-29 | 2014-01-02 | Robert Bosch Gmbh | Method for operating a recuperative braking system of a vehicle, control device for a recuperative braking system of a vehicle and recuperative braking system |
| DE102012216590A1 (en) * | 2012-09-18 | 2014-03-20 | Continental Teves Ag & Co. Ohg | Method for operating combined brake assembly for sports utility vehicle, involves generating additional pressure in one of hydraulically operated wheel brakes in case of failure of one of electro-mechanical actuatable wheel brakes |
| JP5831427B2 (en) | 2012-11-08 | 2015-12-09 | トヨタ自動車株式会社 | Master cylinder device |
| JP5962608B2 (en) * | 2013-07-30 | 2016-08-03 | 株式会社アドヴィックス | Vehicle braking system |
| DE102014011598B3 (en) * | 2014-08-01 | 2015-11-19 | Audi Ag | Blending capable braking system |
| DE102015219126A1 (en) * | 2015-10-02 | 2017-04-06 | Continental Teves Ag & Co. Ohg | Brake device for a hydraulic motor vehicle brake system |
| DE102016218094A1 (en) * | 2016-09-21 | 2018-03-22 | Continental Teves Ag & Co. Ohg | Electrohydraulic motor vehicle control unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106627540A (en) * | 2015-11-04 | 2017-05-10 | 浙江万向精工有限公司 | Secondary power assistant rate motor-free hydraulic braking system |
| CN110662680A (en) * | 2017-05-29 | 2020-01-07 | 福乐尼·乐姆宝公开有限公司 | Integrated brake pump for brake-by-wire system and brake-by-wire system thereof |
| CN110662680B (en) * | 2017-05-29 | 2022-03-04 | 福乐尼·乐姆宝公开有限公司 | Integrated brake pump for brake-by-wire system and brake-by-wire system thereof |
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| CN114954407A (en) * | 2022-06-09 | 2022-08-30 | 上海深拓液压技术有限公司 | Hydraulic speed reduction transmission mechanism, brake system actuating mechanism and brake system |
| CN114954407B (en) * | 2022-06-09 | 2023-10-10 | 上海深拓智造装备有限公司 | Hydraulic speed reduction transmission mechanism, brake system actuating mechanism and brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102481916B (en) | 2016-01-06 |
| DE102009028811B3 (en) | 2011-03-03 |
| US20120205967A1 (en) | 2012-08-16 |
| JP2013502340A (en) | 2013-01-24 |
| WO2011020691A1 (en) | 2011-02-24 |
| JP5519010B2 (en) | 2014-06-11 |
| EP2467286B1 (en) | 2013-05-01 |
| EP2467286A1 (en) | 2012-06-27 |
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